Siemens | Simatic TI 305 305-21N

Product Details

• Part Number 1 305-21N

Product Description

Siemens 305-21N is an Input Module for the Simatic TI 305 product family.

From a maintenance perspective, digital input hardware creates the path from field-level status signals to control logic, allowing the system to evaluate operating conditions and respond through configured sequences or protective actions. Application details remain governed by the exact product revision.

Within the assigned control-system position, this product is associated with the Simatic TI 305 family and the PLC modules category. Configuration and compatibility should be confirmed for the exact system in which it will be used. The product remains part of the broader control and signal-handling arrangement.

Product Documentation

• Specification PDF ti.pdf
• Common Part Typos 305-2IN, 305-2lN, 30521N, 3052IN, 3052lN, 3O5-21N, 3O521N

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